Daily Practice

Higher

6th July 1987

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 20 cm, 21 cm and 29 cm. Work out the angle opposite the 20 cm side, to 1 decimal place.
2
Probability Trees3 marks
A bag holds 3 red and 9 blue counters. Two are taken without replacement. Work out the probability both are red.
3
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 128 values. What cumulative frequency do you read across from to estimate the lower quartile?
4
Fractional and Negative Indices3 marks
Work out 216^(2/3).
5
Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = -x - 7 that passes through (4, -2).

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